[英]Can Ratchet WebSocket Server send a message to client itself?
[英]Can't send a message with the new websocket protocol
我正在嘗試在 php 中開發 websocket 服務器。
這是我到目前為止所做的:(服務器部分)
$server = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
socket_set_option($server, SOL_SOCKET, SO_REUSEADDR, 1);
socket_bind($server, "localhost", 10000);
socket_listen($server);
$client = socket_accept($server);
$message = socket_read($client, 5000);
$matches = array();
preg_match('#Sec-WebSocket-Key: (.*)\r\n#', $message, $matches);
$new_key = new_key($matches[1]);
$new_message = "HTTP/1.1 101 Switching Protocols\r\n";
$new_message .= "Upgrade: websocket\r\n";
$new_message .= "Connection: Upgrade\r\n";
$new_message .= "Sec-WebSocket-Accept: " . $new_key . "\r\n\r\n";
socket_write($client, $new_message, strlen($new_message));
$new_message = "Test message !";
socket_write($client, $new_message, strlen($new_message));
function new_key($key)
{
$key .= "258EAFA5-E914-47DA-95CA-C5AB0DC85B11";
$key = sha1($key);
$new_key = '';
for ($i = 0; $i < strlen($key); $i+=2)
{
$new_key .= chr(intval($key[$i] . $key[$i+1], 16));
}
$new_key = base64_encode($new_key);
return $new_key;
}
/* End of file server.php */
(客戶端部分)
window.onload = function() {
var ws = new WebSocket('ws://localhost:10000');
ws.onopen = function() {
alert('Connection open !');
setInterval(function() {
ws.send('lol');
}, 1000);
}
ws.onclose = function() {
alert('WebSocket close !');
}
ws.onmessage = function(e) {
alert(e.data);
}
ws.onerror = function(e) {
alert('Error');
}
};
第一個socket_write
完美運行(用於握手)並且正確觸發了open
事件。 但是第二個 socket_write 不起作用。 我嘗試在服務器部分使用第二個socket_read
對open
事件執行ws.send
,但它也不起作用。
謝謝你,如果你有一個想法!
我有一個類似的問題。 After checking out this project over here https://github.com/srchea/PHP-Push-WebSocket I noticed a function called "encode" in this file https://github.com/srchea/PHP-Push-WebSocket/blob /master/lib/Server.class.php在發送消息之前。
所以試着改變這個
socket_write($client, $new_message, strlen($new_message));
$new_message = "Test message !";
socket_write($client, $new_message, strlen($new_message));
對此
socket_write($client, $new_message, strlen($new_message));
$new_message = "Test message !";
socket_write($client, chr(129) . chr(strlen($new_message)) ."". $new_message);
我認為這是一個 INVALID_STATE_ERR: DOM Exception 11 意味着同步問題。 在你的客戶端試試這個:
var test = function(){
var myWebSocket = new WebSocket('ws://localhost:10000');
myWebSocket.onopen = function(e){
alert('connection open');
this.send('test1');
this.send('test2');
}
myWebSocket.onmessage = function(e){ alert('message ' + e.data) };
myWebSocket.onclose = function(e){ alert('connection closed'); this.close(); };
myWebSocket.send('test3');
};
test3 將失敗,因為它是異步 websocket。
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